Question: When did the marriage of Anaïs Nin and Rupert Pole end?
Paraphrase: When did the matrimony of Anais Nin and Rupert Pole terminate?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q220018 p:P26 ?s . ?s ps:P26 wd:Q7380347 . ?s pq:P582 ?value}